Topic summary
tropical cyclone watches and warnings
Extracted from the Wikipedia article Tropical cyclone warnings and watches.
Canada
- Watches are issued 36 hours prior to a tropical cyclone making landfall.
- Warnings are issued 24 hours prior to the tropical cyclone making landfall.
- If sustained winds 70 km/h and/or gusts 90 km/h or stronger are predicted, a conventional wind warning will be issued along with the tropical cyclone watches and warnings.
- A storm surge warning may be issued if abnormally high water levels are predicted.